After you eat, insulin is secreted by pancreatic Beta cells into the bloodstream, where it diffuses throughout the body to bind to receptors on target cells, telling them to take up glucose. This mode of signaling is referred to as .

Endocrine Signaling

Explanation:

Signal from the cells which are distantly located are called Endocrine signals.This signaling begin from endocrine cells. These kinds of signals produce a more slow reaction yet have a more drawn out enduring impact. The ligands discharged in endocrine signaling are called hormones, signaling molecules that are delivered in one piece of the body however influence other body areas some distance away.  

Predator instincts is what causes it